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nrg_cb_gasm), URE, GUS","sourceUrl":"https://finwire.pl/sezon-grzewczy","license":"Source: IMGW-PIB (Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy); data processed by finwire. Required attribution (Polish): \"Źródłem pochodzenia danych jest Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy.\" \"Dane Instytutu Meteorologii i Gospodarki Wodnej - Państwowego Instytutu Badawczego zostały przetworzone.\" finwire indices CC BY 4.0.","asOf":"2026-10-31","fetchedAt":"2026-11-06T06:04:48.399Z","citation":"Source: finwire.pl (IMGW-PIB (Instytut Meteorologii i Gospodarki Wodnej - Państwowy Instytut Badawczy), Eurostat (nrg_chdd_m, nrg_cb_gasm), URE, GUS), https://public-api.finwire.pl/datasets/heating-season","docsUrl":"https://public-api.finwire.pl/datasets/heating-season"}}